Being that my school still gives out letter grades in math and other curricular areas, I have found it helpful to set up a four point rubric so I can easily convert the number to a letter grade. I have yet to find/come up with a general rubric that I can use for all Investigations assessments. Therefore, I make up ones specific to the task. In the "Things That Come in Groups" unit guide (Gr. 3) I used the information on page 88 to set up my rubric. It is as follows:
4-Proficient *organizes data to help keep track of work *computes correctly
3-Secure *little evidence of organization of work *computes correctly
2-Progressing *does not organize work to keep track of combinations *struggles with computation (relies heavily on blocks, manips.)
1-Little Progress *little or no effort/understanding of task
Roughly, a 4 translates to a A, a 3 to a B, etc. I have found that creating these work for me to quantify my observations of student work. I am interested in knowing what other teachers are doing in the area of rubrics and/or if you have any constructive criticism on this rubric.